Unitree YS-342026-S288

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09

Identity
Brand
Product Number	YS-342026-S288
Category	Robotics
Performance
Torque	12.6V84.96 oz-in
Speed	12.6V0.06 sec/60°
Running Current	12.0V0.270 A
Stall Current	≤0.32 ATop 10%
Physical
Weight	0.71 ozTop 10%
Shape	Boxed
Dimensions	L 1.339 in W 0.787 in H 1.024 in
Case Material	Plastic
Drivetrain
Motor Type	Brushless
Motor Drive	FET
Gears	Plastic
Gear Ratio	288.35:1
Control & Signal
Modulation	Digital
Angle Sensor	Absolute Encoder
Control System	TTL
Programmable	Yes
Resolution	32,768 pulse/rev
Operating Modes	Position, Velocity, Torque, Stiffness, Damping
Electrical & Environment
Operating Voltage	6.4–12.6 V
Temperature	-20–90 °C
Idle Current	50.000 A
Connectivity
Baud Rate	6 Mbps

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*Based on known specs.

Class Comparison

Weight	Top 10% Lighter than 100% of 1902 Digital Standard servos
Stall Current	Top 10% Lower draw than 100% of 539 Digital Standard servos

Performance Analysis

Shaft Power	2.49 W
Power Density	2.311 W/in³ More power-dense than 49% of 1759 Digital Standard servos
Torque Density	4.2480 oz-in/g
Torque-to-Volume Ratio	78.73 oz-in/in³
Speed-to-Weight	0.79365 (1/sec·g)
Speed-Torque Trade-off	5.35
Current-per-Torque Ratio	0.0038 A/oz-in
Idle-to-Running Current Ratio	185.185
No-Load vs Stall Current Spread	1.19
Voltage Range Width	6.2 V Wider voltage range than 99% of 1539 Digital Standard servos

Notes

Brushless digital servo with integrated gear reducer and dual absolute value encoders. Supports hybrid control (Position, Velocity, Torque, Stiffness, Damping). Plastic gears and shell. 6Mbps TTL communication. Designed for robotic joints and embodied intelligence.